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Thermal buoyancy driven flows inside a differentially heated enclosure with porous fins of multiple morphologies attached to the hot wall

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成果类型:
期刊论文
作者:
Wang, Lei;Liu, Run-Zhe;Liu, Di;Zhao, Fu-Yun*;Wang, Han-Qing
通讯作者:
Zhao, Fu-Yun
作者机构:
[Liu, Run-Zhe; Zhao, Fu-Yun; Wang, Lei] Wuhan Univ, Minist Educ, Key Lab Hydraul Machinery Transients, Wuhan, Hubei, Peoples R China.
[Liu, Run-Zhe; Zhao, Fu-Yun; Wang, Lei] Wuhan Univ, Hubei Key Lab Waterjet Theory & New Technol, Wuhan, Hubei, Peoples R China.
[Liu, Run-Zhe; Zhao, Fu-Yun; Wang, Lei] Wuhan Univ, Sch Power & Mech Engn, Dong Hu South Rd, Wuhan 430072, Hubei, Peoples R China.
[Liu, Di] China Univ Petr, Coll Pipeline & Civil Engn, Qingdao, Shandong, Peoples R China.
[Wang, Han-Qing] Univ South China, Sch Civil Engn, Hengyang, Hunan, Peoples R China.
通讯机构:
[Zhao, Fu-Yun] W
Wuhan Univ, Sch Power & Mech Engn, Dong Hu South Rd, Wuhan 430072, Hubei, Peoples R China.
语种:
英文
关键词:
Buoyancy;Deterioration;Electronic cooling;Enclosures;Flow of fluids;Heat conduction;Heat resistance;Heat transfer performance;Morphology;Natural convection;Navier Stokes equations;Porous materials;Thermal conductivity;Forchheimer models;Governing parameters;Heat Transfer enhancement;Heated enclosures;Laminar natural convection;Natural convection flow;Numerical heat transfer;Porous fins;Fins (heat exchange)
期刊:
International Journal of Thermal Sciences
ISSN:
1290-0729
年:
2020
卷:
147
页码:
106138
基金类别:
This research was financially supported by the National Key Research and Development Program of the Ministry of Science and Technology of China (Grant No. 2018YFC0705201 , Grant No. 2018YFB0904200 ), Natural Science Foundation of China (NSFC Grant No. 51778504 , Grant No. U1867221 ), Beijing Institute of Satellite Environmental Engineering (CAST-BISEE Grant No. CAST-BISEE2019-025 ),Joint Zhuzhou - Hunan Provincial Natural Science Foundation (Grant No. 2018JJ4064 ), National Defense Research Funds for the Central Universities (Grant No. 2042018gf0031 , Wuhan University), and Shandong Provincial Natural Science Foundation (Grant No. ZR2018MEE035 ). Both Prof. Fu-Yun Zhao and Prof. Han-Qing Wang would also like to acknowledge the support from the Collaborative Innovation Center for Building Energy Conservation and Environment Control, Hunan Province, China . This research was financially supported by the National Key Research and Development Program of the Ministry of Science and Technology of China (Grant No. 2018YFC0705201, Grant No. 2018YFB0904200), Natural Science Foundation of China (NSFC Grant No. 51778504, Grant No. U1867221), Beijing Institute of Satellite Environmental Engineering (CAST-BISEE Grant No. CAST-BISEE2019-025),Joint Zhuzhou - Hunan Provincial Natural Science Foundation (Grant No. 2018JJ4064), National Defense Research Funds for the Central Universities (Grant No. 2042018gf0031, Wuhan University), and Shandong Provincial Natural Science Foundation (Grant No. ZR2018MEE035). Both Prof. Fu-Yun Zhao and Prof. Han-Qing Wang would also like to acknowledge the support from the Collaborative Innovation Center for Building Energy Conservation and Environment Control, Hunan Province, China.
机构署名:
本校为其他机构
院系归属:
土木工程学院
摘要:
The application of porous media for electronic cooling process, instead of solid one, generally strengthens heat conduction while weakens convection insignificantly at high Darcy number. In the present work, effects of morphology and topology of porous fins on the laminar natural convection heat transfer were investigated in a differentially heated enclosure. Volume averaged Darcy-Forchheimer model was applied to solve the transport process within the porous media while the Navier-Stokes equations were employed within pure fluid region. Relevan...

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